surface-active agent

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Noun1.surface-active agent - a chemical agent capable of reducing the surface tension of a liquid in which it is dissolved
emulsifier - a surface-active agent that promotes the formation of an emulsion
chemical agent - an agent that produces chemical reactions
detergent - a surface-active chemical widely used in industry and laundering
References in periodicals archive ?
It is a cationic surface-active agent, has a broad antimicrobial spectrum, and kills gram-positive pathogens and yeast.
Because a detergent is referred to as a surface-active agent, as the control solutions we used a surface-active substance (ethanol), a surface-inaetive sub stance (NaCl), and distilled water (DW).
When a thin film of a solution of a surface-active agent is stretched or deformed, surface elasticity forces arise because of variations in surface tension.
The compound works as a surface-active agent or surfactant, reducing friction between surfaces, loosening and dissolving oily wastes much the same way detergents clean fabric in the washing machine.
The repulsion principle is important when the cleaner contains a surface-active agent, or surfactant.

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